— Beibei, is Mr. Chen in the office?— No. He for half an hour.A. left B. has left C. has been away
Would you mind not picking up the flowers in the garden? They are ____ everyone’s enjoyment
I get up early ____ the morning, but ___ Sunday morning I get up very late.
The plane arrived at London airport ______ Wednesday.
What do you usually do ________ Christmas?
Mrs. Brown worded in the west of Australia ________ last summer.